Mr. Jennings has served as Chief Executive Officer and President of HollyFrontier since January 1, 2020. He served as Executive Vice President of HollyFrontier from November 2019 through December 2019, as Executive Chairman of HollyFrontier from January 2016 until January 2017 and as the Chief Executive Officer and President of HollyFrontier from the merger of Holly Corporation (“Holly”) and Frontier Oil Corporation (“Frontier”) in July 2011 until January 2016. He served as Chairman of the Board of HollyFrontier from January 2017 to February 2019 and January 2013 to January 2016. Mr. Jennings has served as Chief Executive Officer of Holly Logistic Services, L.L.C. (“HLS”) since January 2020. He previously served as Chief Executive Officer of HLS from January 2014 to November 2016 and as President of HLS from October 2015 to February 2016. Mr. Jennings previously served as President and Chief Executive Officer of Frontier from 2009 until the merger of Holly and Frontier in July 2011 and as the Executive Vice President and Chief Financial Officer of Frontier from 2005 until 2009.
The HollyFrontier Corporation is a Fortune 500 company based in Dallas, TX. HollyFrontier is a petroleum refiner and distributor of petroleum products, from gasoline to petroleum-based lubricants and waxes. Michael C Jennings currently holds the title as CEO. Mr. Jennings, an oil expert has more than 28 years in the industry. . The company has primary refining operations in New Mexico and Utah, as well as three other states